THIS IS A PRETTY RARE PIECE AND A BOOK PIECE TO BOOT.  KENNETH JAY LANE LARIAT DANCER PIN BROOCH.  GREAT COLLECTORS PIECE , THIS NECKLACE IS 18 INCHES AT ITS LONGEST POINT. 24" INCHES IN CHAIN AND THEN THE PIN PENDANT ,( OH YES IT IS BOTH)  PIN /PENDANT IS ALMOST 7".  THIS IS BEAUTIFUL . AWESOME CONDITION